- New: In LefExport, export the spacer cells (rowend & tie) to enable
filling in Cadence Encounter.
- New: In DefImport, added support for regular wiring in NETS. Allows us
to import routing from Encounter and characterize it.
- New: In Catalog, added a CatalogExtension static property manager to
allow more easy access to the Catalog::State of each Cell. Do not
uses the default template because of a specific destructor and a
"by pointer" value.